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闲.大赋(李家智)
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Beetl
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Beetl <= 3.15.12存在ssti服务端模板注入漏洞
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#I8RU01
wooclee
Opened this issue
2023-12-27 16:45
### 漏洞介绍 Beetl <= 3.15.12在渲染模板处存在服务端模板注入漏洞，当传入模板可控时，会经过DefaultNativeSecurityManager黑名单过滤，由于黑名单过滤不严格，可绕过黑名单导致任意代码执行。 ### 影响版本 Beetl <= 3.15.12 ### 漏洞详情 beetl使用默认的本地调用安全管理器，源码位于https://gitee.com/xiandafu/beetl/blob/master/beetl-core/src/main/java/org/beetl/core/DefaultNativeSecurityManager.java 安全管理器使用黑名单方式禁用了下列包名/类名： java.lang.Runtime java.lang.Process java.lang.ProcessBuilder java.lang.Thread java.lang.Class java.lang.System javax.* sun.* 利用反射调用可绕过黑名单限制，成功执行命令  ### 建议修复 禁用java.lang.reflect ### 提交者 @wooclee
### 漏洞介绍 Beetl <= 3.15.12在渲染模板处存在服务端模板注入漏洞，当传入模板可控时，会经过DefaultNativeSecurityManager黑名单过滤，由于黑名单过滤不严格，可绕过黑名单导致任意代码执行。 ### 影响版本 Beetl <= 3.15.12 ### 漏洞详情 beetl使用默认的本地调用安全管理器，源码位于https://gitee.com/xiandafu/beetl/blob/master/beetl-core/src/main/java/org/beetl/core/DefaultNativeSecurityManager.java 安全管理器使用黑名单方式禁用了下列包名/类名： java.lang.Runtime java.lang.Process java.lang.ProcessBuilder java.lang.Thread java.lang.Class java.lang.System javax.* sun.* 利用反射调用可绕过黑名单限制，成功执行命令  ### 建议修复 禁用java.lang.reflect ### 提交者 @wooclee
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